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Finding the Third Proportional to 5,143,136.25 and 7,005,191.25

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Solution

The third proportional to 5,143,136.25 and 7,005,191.25 is: 9,541,396.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143,136.25 : 7,005,191.25 = 7,005,191.25 : x
  2. Step 2: Convert to fraction form
    5,143,136.25/7,005,191.25 = 7,005,191.25/x
  3. Step 3: Cross multiply
    5,143,136.25x = 7,005,191.25 × 7,005,191.25
  4. Step 4: Simplify right side
    5,143,136.25x = 49,072,704,449,076.56
  5. Step 5: Solve for x
    x = 49,072,704,449,076.56/5,143,136.25
  6. Step 6: Final answer
    x = 9,541,396.93

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.